deps: Update github.com/joyent/triton-go/authentication (#13255)

This commit allows private key material to be used with the Triton
provider, which is necessary for running acceptance tests in the
HashiCorp CI environment.

vendor/github.com/joyent/triton-go/authentication/private_key_signer.go

@@ -7,10 +7,12 @@ import (
 	"crypto/x509"
 	"encoding/base64"
 	"encoding/pem"
+	"errors"
 	"fmt"
+	"strings"
+
 	"github.com/hashicorp/errwrap"
 	"golang.org/x/crypto/ssh"
-	"strings"
 )
 
 type PrivateKeySigner struct {
@@ -27,23 +29,23 @@ func NewPrivateKeySigner(keyFingerprint string, privateKeyMaterial []byte, accou
 
 	block, _ := pem.Decode(privateKeyMaterial)
 	if block == nil {
-		return nil, fmt.Errorf("Error PEM-decoding private key material: nil block received")
+		return nil, errors.New("Error PEM-decoding private key material: nil block received")
 	}
 
 	rsakey, err := x509.ParsePKCS1PrivateKey(block.Bytes)
 	if err != nil {
-		return nil, errwrap.Wrapf("Error parsing private key: %s", err)
+		return nil, errwrap.Wrapf("Error parsing private key: {{err}}", err)
 	}
 
 	sshPublicKey, err := ssh.NewPublicKey(rsakey.Public())
 	if err != nil {
-		return nil, errwrap.Wrapf("Error parsing SSH key from private key: %s", err)
+		return nil, errwrap.Wrapf("Error parsing SSH key from private key: {{err}}", err)
 	}
 
 	matchKeyFingerprint := formatPublicKeyFingerprint(sshPublicKey, false)
 	displayKeyFingerprint := formatPublicKeyFingerprint(sshPublicKey, true)
 	if matchKeyFingerprint != keyFingerprintMD5 {
-		return nil, fmt.Errorf("Private key file does not match public key fingerprint")
+		return nil, errors.New("Private key file does not match public key fingerprint")
 	}
 
 	return &PrivateKeySigner{
@@ -69,5 +71,6 @@ func (s *PrivateKeySigner) Sign(dateHeader string) (string, error) {
 	}
 	signedBase64 := base64.StdEncoding.EncodeToString(signed)
 
-	return fmt.Sprintf(authorizationHeaderFormat, s.formattedKeyFingerprint, "rsa-sha1", headerName, signedBase64), nil
+	keyID := fmt.Sprintf("/%s/keys/%s", s.accountName, s.formattedKeyFingerprint)
+	return fmt.Sprintf(authorizationHeaderFormat, keyID, "rsa-sha1", headerName, signedBase64), nil
 }

vendor/vendor.json

@@ -2296,14 +2296,14 @@
 		{
 			"checksumSHA1": "fue8Al8kqw/Q6VFPsNzoky7NIgo=",
 			"path": "github.com/joyent/triton-go",
-			"revision": "ed036af6d128e3c1ef76e92218810d3b298d1407",
-			"revisionTime": "2017-03-30T22:02:44Z"
+			"revision": "66b31a94af28a65e902423879a2820ea34b773fb",
+			"revisionTime": "2017-03-31T18:12:29Z"
 		},
 		{
-			"checksumSHA1": "7sIV9LK625xVO9WsV1gaLQgfBeY=",
+			"checksumSHA1": "QzUqkCSn/ZHyIK346xb9V6EBw9U=",
 			"path": "github.com/joyent/triton-go/authentication",
-			"revision": "ed036af6d128e3c1ef76e92218810d3b298d1407",
-			"revisionTime": "2017-03-30T22:02:44Z"
+			"revision": "66b31a94af28a65e902423879a2820ea34b773fb",
+			"revisionTime": "2017-03-31T18:12:29Z"
 		},
 		{
 			"checksumSHA1": "YhQcOsGx8r2S/jkJ0Qt4cZ5BLCU=",